From 54a2f51d57a24104f1facff2674b4d441cdfde48 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Sun, 19 Jul 2009 20:42:52 +0200
Subject: [PATCH] pidl: Print proper errors when arrays don't have a specified
 size rather than spewing pages of perl warnings.

---
 pidl/lib/Parse/Pidl/Samba3/ClientNDR.pm | 14 ++++++++++----
 pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm | 11 ++++++++---
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/pidl/lib/Parse/Pidl/Samba3/ClientNDR.pm b/pidl/lib/Parse/Pidl/Samba3/ClientNDR.pm
index ed1b71a236f..a2a61d87d07 100644
--- a/pidl/lib/Parse/Pidl/Samba3/ClientNDR.pm
+++ b/pidl/lib/Parse/Pidl/Samba3/ClientNDR.pm
@@ -96,11 +96,17 @@ sub ParseOutputArgument($$$)
 		# structure, the user should be able to know the size beforehand 
 		# to allocate a structure of the right size.
 		my $env = GenerateFunctionInEnv($fn, "r.");
-		my $size_is = ParseExpr($e->{LEVELS}[$level]->{SIZE_IS}, $env, $e->{ORIGINAL});
-		if (has_property($e, "charset")) {
-		    $self->pidl("memcpy(CONST_DISCARD(char *, $e->{NAME}), r.out.$e->{NAME}, $size_is * sizeof(*$e->{NAME}));");
+		my $l = $e->{LEVELS}[$level];
+		unless (defined($l->{SIZE_IS})) {
+			error($e->{ORIGINAL}, "no size known for [out] array `$e->{NAME}'");
+			$self->pidl('#error No size known for [out] array `$e->{NAME}');
 		} else {
-		    $self->pidl("memcpy($e->{NAME}, r.out.$e->{NAME}, $size_is * sizeof(*$e->{NAME}));");
+			my $size_is = ParseExpr($l->{SIZE_IS}, $env, $e->{ORIGINAL});
+			if (has_property($e, "charset")) {
+				$self->pidl("memcpy(CONST_DISCARD(char *, $e->{NAME}), r.out.$e->{NAME}, $size_is * sizeof(*$e->{NAME}));");
+			} else {
+				$self->pidl("memcpy($e->{NAME}, r.out.$e->{NAME}, $size_is * sizeof(*$e->{NAME}));");
+			}
 		}
 	} else {
 		$self->pidl("*$e->{NAME} = *r.out.$e->{NAME};");
diff --git a/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm b/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm
index c9a8eea59fd..5599de9d790 100644
--- a/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm
+++ b/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm
@@ -11,7 +11,7 @@ use Exporter;
 @EXPORT_OK = qw(DeclLevel);
 
 use strict;
-use Parse::Pidl qw(warning fatal);
+use Parse::Pidl qw(warning error fatal);
 use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
 use Parse::Pidl::Util qw(ParseExpr has_property is_constant);
 use Parse::Pidl::NDR qw(GetNextLevel);
@@ -72,8 +72,13 @@ sub AllocOutVar($$$$$)
 	}
 
 	if ($l->{TYPE} eq "ARRAY") {
-		my $size = ParseExpr($l->{SIZE_IS}, $env, $e);
-		pidl "$name = talloc_zero_array($mem_ctx, " . DeclLevel($e, 1) . ", $size);";
+		unless(defined($l->{SIZE_IS})) {
+			error($e->{ORIGINAL}, "No size known for array `$e->{NAME}'");
+			pidl "#error No size known for array `$e->{NAME}'";
+		} else {
+			my $size = ParseExpr($l->{SIZE_IS}, $env, $e);
+			pidl "$name = talloc_zero_array($mem_ctx, " . DeclLevel($e, 1) . ", $size);";
+		}
 	} else {
 		pidl "$name = talloc_zero($mem_ctx, " . DeclLevel($e, 1) . ");";
 	}
-- 
2.11.4.GIT